What is Video Card or Graphic Card | Types of Graphics Cards | GPU Computer Graphics
What is Video Card or Graphic Card, Types of Graphics Cards, GPU Computer Graphics.
A video card is a discrete dedicated circuit board, silicon chip and necessary cooling that provides 2D, 3D and sometimes even general purpose graphics processing (GPGPU) calculations for a
computer.Modern cards with integrated calculations for triangle setup, transformation and lighting features for 3D applications are typically called graphics processing units (GPU). Higher-end GPUs are now common and are sometimes integrated into CPUs
themselves.Standards such as
MDA - The Monochrome Display Adapter
CGA - Color Graphics Adapter
HGC - The Hercules Graphics Card
Tandy
PGC - Professional Graphics Controller
EGA - The Enhanced Graphics Adapter
VGA - Video Graphics Array
MCGA - Multi Color Graphics Array
8514 or XGA - eXtended Graphics Array which were introduced from 1982 to 1990 and supported by a variety of hardware manufacturers.Nvidia and AMD (ATi) produced cards render the graphics pipeline OpenGL and DirectX on the hardware level.
In the later 2010s, there has also been a tendency to use the computing capabilities of the graphics processor to solve non-graphic tasks.Video card shipments peaked at a total of 114 million in 1999.A video adapter is a discrete card in a computer, typically connected via PCI express in modern desktops. These cards have video RAM and a GPU chip so that data can be sent to a computer's display.Today, almost all displays and video adapters provide digital connections such as HDMI (High-Definition Multimedia Interface), DVI (Digital Visual Interface) or display ports but most also have digital-to-analog conversion for older Video Graphics Array (VGA) connections.VGA describes how data - essentially red, green, blue data streams - is passed between the computer and the display. VGA describes the frame refresh rates in hertz and specifies the number and width of horizontal lines, which essentially amounts to specifying the resolution of the pixels that are created.In addition to VGA, most displays today adhere to one or more standards set by the Video Electronics Standards Association (VESA). VESA defines how software can determine the capabilities of a display. It also identifies resolutions settings beyond those of VGA. These resolutions include 800 by 600, 1024 by 768, 1280 by 1024, and 1600 by 1200 pixelsToday it is not uncommon for video cards to support ultra-wide displays of 21:9 in resolutions of 2560x1080 or 3440x1440. 4K and even 8K
resolutions can be run by capable cards and even multiplemonitors for up to six screens. Many graphics cards support multiple-card setups to drive these demanding configurations.
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